This is a shrink nylon type bag that is made from Taslan nylon, which has a cotton-like texture, and is processed with salt shrinkage to give it a wrinkled, shrink-like appearance. The bag itself is a simple daypack with a rounded silhouette. The SE is a separate SE, and as the name suggests, it is divided into a main compartment and a sub compartment, making it easy to use and has plenty of interior pockets. MATERIAL: TASSER NYLON (NYLON100%) SIZE: H45cm W41cm D15~25cm (33L)